package test;

import cn.test.bookms.entity.MsBook;

import java.util.AbstractCollection;
import java.util.Iterator;

/**
 * @_PackageName:test
 * @_ClassName:Demo
 * @_Description:
 * @_Author：笑老二
 * @_data 20/06/19 17:45
 */
public class Demo extends AbstractCollection<MsBook> {
    public Iterator iterator() {
        return null;
    }

    public int size() {
        return 0;
    }
}
